51841272 has 128 divisors (see below), whose sum is σ = 158400000. Its totient is φ = 13810176.

The previous prime is 51841271. The next prime is 51841297. The reversal of 51841272 is 27214815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51841271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347854 + ... + 348002.

It is an arithmetic number, because the mean of its divisors is an integer number (1237500).

Almost surely, 2^51841272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51841272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79200000).

51841272 is an abundant number, since it is smaller than the sum of its proper divisors (106558728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51841272 is a wasteful number, since it uses less digits than its factorization.

51841272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 289 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 51841272 is about 7200.0883327915. The cubic root of 51841272 is about 372.8709503807.

The spelling of 51841272 in words is "fifty-one million, eight hundred forty-one thousand, two hundred seventy-two".